Secret Space Mission Ends

October 12, 2014

After a record-breaking 22 months in space, the Air Force's clandestine craft known as 'X-37B' will be returning to Earth this week. The purpose behind the vehicle's marathon stay in space remains highly classified, spawning suspicions that it was being used for nefarious missions such as testing advanced weaponry or spying on unfriendly nations. More on the story at Space.com.